So Mario Kart 8 is a well known game and a game that is recommended for every Wii u owner to have. But what you might not know is a special song that a light blue yoshi sings at the beginning of yoshi valley. Totaka's is a 19 note rhythm that can be heard in many nintendo games. To hear this select yoshi valley and hug the right fence until you see a light blue yoshi. He will start humming the famous Easter egg theme.